buckthorn

2 definitions found

buckthorn - Collaborative International Dictionary of English v.0.48 :

  Buckthorn \Buck"thorn`\, n. (Bot.)
     A genus (Rhamnus) of shrubs or trees. The shorter branches
     of some species terminate in long spines or thorns. See
     Rhamnus.
     [1913 Webster]
  
     Sea buckthorn, a plant of the genus Hippopha["e].
        [1913 Webster]

buckthorn - WordNet (r) 2.1 (2005) :

  buckthorn
      n 1: a shrub or shrubby tree of the genus Rhamnus; fruits are
           source of yellow dyes or pigments
      2: any shrub or small tree of the genus Bumelia
      3: an Old World plantain with long narrow ribbed leaves widely
         established in temperate regions [syn: English plantain,
         narrow-leaved plantain, ribgrass, ribwort, ripple-   grass
         , buckthorn, Plantago lanceolata]